What is a Dead Letter Queue?
Hey Software Developers. Dead Letter Queue is a concept important for messaging systems or queues. Such systems often have mechanisms for retries in the case of an error but at some point you need to stop. At that point you can send interested parties a letter, a dead letter to inform them that the processing failed. Developers can then investigate and figure out why it was not possible to process the message and take action to f.x. manually fix it.
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